Metric Ground Spiral Miter Gears Module 2~4

Quality Transmission is the largest North American supplier of off-the-shelf metric gearing.

Specifications
Precision grade	JIS B 1704 grade 2	Core hardness	HB250300
Gear teeth	Gleason	Surface hardness	HRC5560
Pressure angle	20	Surface treatment	-
Helix angle	35	Surface finish	Ground
Material	SCM415 (Alloy steel)	Datum reference surface for gear grinding	Bore
Heat treatment	Teeth induction hardened after carburizing


B3	B4

20Miter Module 24

Catalog No.	Hand of thread	Module	No. of teeth	Bore	Hub dia.	Pitch dia.	Outside dia.	Mounting distance	Total length	Crown to back length	Hub width	Length of bore	Face width	Holding surface dia.	Face angle	Shape	Allowable torque (kgfm)		Allowable torque (Nm)		Backlash (mm)	Weight (kgf)	Catalog No.
Catalog No.	Hand of thread	m	z	A_H7	B	C	D	E	F	G	H	I	J	K	L	Shape	Bending strength	Surface durability	Bending strength	Surface durability	Backlash (mm)	Weight (kgf)	Catalog No.
MMSG2-20R [ DXF\| DWG\| 3D CAD] MMSG2-20L [ DXF \| DWG\| 3D CAD]	R L	2	20	12	35	40	42.7	35	21.98	16.35	12.5	20	9	24.54	5134'	B3	1.589	2.213	15.59	21.7	0.050.11	0.14	MMSG2-20R MMSG2-20L
MMSG2.5-20R [ DXF\| DWG\| 3D CAD] MMSG2.5-20L [ DXF\| DWG\| 3D CAD]	R L	2.5	20	14	42	50	53.2	45	28.63	21.6	16	26	11	30.89	5028'	B3	3.06	4.347	30	42.63	0.060.12	0.26	MMSG2.5-20R MMSG2.5-20L
MMSG3-20R [ DXF\| DWG\| 3D CAD] MMSG3-20L [ DXF\| DWG\| 3D CAD]	R L	3	20	16	52	60	63.99	50	30.78	21.99	16	27	14	34.4	5124'	B3	5.48	7.912	53.8	77.59	0.070.13	0.44	MMSG3-20R MMSG3-20L
MMSG3.5-20R [ DXF\| DWG\| 3D CAD] MMSG3.5-20L [ DXF\| DWG\| 3D CAD]	R L	3.5	20	20	50	70	74.53	55	32.45	22.26	14	29	16	42.75	5040'	B4	8.6	12.59	84.3	123.5	0.080.14	0.5	MMSG3.5-20R MMSG3.5-20L
MMSG4-20R [ DXF\| DWG\| 3D CAD] MMSG4-20L [ DXF\| DWG\| 3D CAD]	R L	4	20	20	55	80	84.99	65	39.13	27.5	17	35	18	49.08	4954'	B4	12.71	18.85	124.7	184.9	0.10.16	0.72	MMSG4-20R MMSG4-20L

Pitch Angle 45

25 Miter Module 24

Catalog No.	Hand of thread	Module	No. of teeth	Bore	Hub dia.	Pitch dia.	Outside dia.	Mounting distance	Total length	Crown to back length	Hub width	Length of bore	Face width	Holding surface dia.	Face angle	Shape	Allowable torque (kgfm)		Allowable torque (Nm)		Backlash (mm)	Weight (kgf)	Catalog No.
Catalog No.	Hand of thread	m	z	A_H7	B	C	D	E	F	G	H	I	J	K	L	Shape	Bending strength	Surface durability	Bending strength	Surface durability	Backlash (mm)	Weight (kgf)	Catalog No.
MMSG2-25R [ DXF\| DWG\| 3D CAD] MMSG2-25L [ DXF\| DWG\| 3D CAD]	R L	2	25	12	38	50	52.5	40	23.43	16.25	11	21	11	30.89	4923'	B4	2.57	4.435	25.3	43.49	0.050.11	0.2	MMSG2-25R MMSG2-25L
MMSG2.5-25R [ DXF\| DWG\| 3D CAD] MMSG2.5-25L [ DXF\| DWG\| 3D CAD]	R L	2.5	25	16	45	62.5	65.54	50	29.57	20.27	14	26	14	37.4	4826'	B4	5.09	8.935	49.9	87.62	0.060.12	0.4	MMSG2.5-25R MMSG2.5-25L
MMSG3-25R [ DXF\| DWG\| 3D CAD] MMSG3-25L [ DXF\| DWG\| 3D CAD]	R L	3	25	20	55	75	78.78	60	35.6	24.39	17	31	17	43.92	4852'	B4	8.85	15.82	86.8	155.1	0.070.13	0.7	MMSG3-25R MMSG3-25L
MMSG3.5-25R [ DXF\| DWG\| 3D CAD] MMSG3.5-25L [ DXF\| DWG\| 3D CAD]	R L	3.5	25	25	65	87.5	91.81	70	41.65	28.41	19	37	20	52.43	4837'	B4	14.13	25.64	138.6	251.4	0.080.14	1.1	MMSG3.5-25R MMSG3.5-25L
MMSG4-25R [ DXF\| DWG\| 3D CAD] MMSG4-25L [ DXF\| DWG\| 3D CAD]	R L	4	25	28	75	100	104.7	80	47.8	32.35	22	42	23	58.95	4752'	B4	19.55	35.96	191.7	352.6	0.10.16	1.7	MMSG4-25R MMSG4-25L

Pitch Angle 45

30 Miter Module 24

Catalog No.	Hand of thread	Module	No. of teeth	Bore	Hub dia.	Pitch dia.	Outside dia.	Mounting distance	Total length	Crown to back length	Hub width	Length of bore	Face width	Holding surface dia.	Face angle	Shape	Allowable torque (kgfm)		Allowable torque (Nm)		Backlash (mm)	Weight (kgf)	Catalog No.
Catalog No.	Hand of thread	m	z	A_H7	B	C	D	E	F	G	H	I	J	K	L	Shape	Bending strength	Surface durability	Bending strength	Surface durability	Backlash (mm)	Weight (kgf)	Catalog No.
MMSG2-30R [ DXF\| DWG\| 3D CAD] MMSG2-30L [ DXF\| DWG\| 3D CAD]	R L	2	30	14	45	60	62.42	50	29.27	21.21	15	26	12	38.06	4753'	B4	3.61	7.431	35.4	72.87	0.050.11	0.37	MMSG2-30R MMSG2-30L
MMSG2.5-30R [ DXF\| DWG\| 3D CAD] MMSG2.5-30L [ DXF\| DWG\| 3D CAD]	R L	2.5	30	16	55	75	78.04	60	34.08	24.02	16	30	15	47.57	4758'	B4	7.05	14.82	69.1	145.3	0.060.12	0.77	MMSG2.5-30R MMSG2.5-30L
MMSG3-30R [ DXF\| DWG\| 3D CAD] MMSG3-30L [ DXF\| DWG\| 3D CAD]	R L	3	30	20	65	90	93.61	70	40.25	26.8	18	36	20	55.43	4747'	B4	13.04	27.9	127.9	273.6	0.070.13	1.3	MMSG3-30R MMSG3-30L
MMSG3.5-30R [ DXF\| DWG\| 3D CAD] MMSG3.5-30L [ DXF\| DWG\| 3D CAD]	R L	3.5	30	25	80	105	109.21	80	44.4	29.6	20	40	22	67.77	4748'	B4	18.41	40.05	180.5	392.8	0.080.14	2.3	MMSG3.5-30R MMSG3.5-30L
MMSG4-30R [ DXF\| DWG\| 3D CAD] MMSG4-30L [ DXF\| DWG\| 3D CAD]	R L	4	30	28	90	120	124.7	90	49.27	32.35	22	44	25	77.29	4726'	B4	27.4	60.48	268	593.1	0.10.16	3.2	MMSG4-30R MMSG4-30L

Pitch Angle 45

*CAUTION:*	A set of miter gears must be identical in module and number of teeth, but opposite in spiral hands.
*CAUTION:*	Dimensions of the outside diameter, the overall length and crown to back length are all theoretical values, and some differences will occur due to the corner chamfering of the gear tips.
*NOTE:*	The allowable torques shown in the table are calculated according to JGMA Standards 403-01 and 404-01.

Quality Transmission Components
E-Mail: qtcsupport@qtcgears.com
Phone: 516-437-6700
Fax: 800-737-7436 or 516-328-3343

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